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A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
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An interface for the creation of Connection objects which represent a connection
to a database. This
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Is the value null?
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